4.19-stable review patch. If anyone has any objections, please let me know.
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From: Dinghao Liu dinghao.liu@zju.edu.cn
[ Upstream commit 759c409bc5fc496cbc22cd0b392d3cbb0c0e23eb ]
The dln2_free() already contains usb_put_dev(). Therefore, the redundant usb_put_dev() before dln2_free() may lead to a double free.
Fixes: 96da8f148396 ("mfd: dln2: Fix memory leak in dln2_probe()") Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn Link: https://lore.kernel.org/r/20230925024134.9683-1-dinghao.liu@zju.edu.cn Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mfd/dln2.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c index 37217e01f27c0..fe614ba5fec90 100644 --- a/drivers/mfd/dln2.c +++ b/drivers/mfd/dln2.c @@ -800,7 +800,6 @@ static int dln2_probe(struct usb_interface *interface, dln2_stop_rx_urbs(dln2);
out_free: - usb_put_dev(dln2->usb_dev); dln2_free(dln2);
return ret;